Special tools and equip
PrecautionsDTC “c29” (p1654-h/l): secondary throttle
position sensor (stps) circuit malfunction
Detected condition and possible cause
Detected condition
Possible cause
C29
Output voltage is not within the following
range.
Difference between actual throttle opening
and opening calculated by ecm is larger
than specified value.
0.15 V ≤ Sensor ...
Diagnostic information and procedures
Engine mechanical symptom diagnosis
Refer to “engine symptom diagnosis” in section 1a .
Compression pressure check
The compression pressure reading of a cylinder is a
good indicator of its internal condition.
The decision to overhaul the cylinder is often based on
the results of a compressio ...
Radiator inspection and cleaning
Radiator hose inspection
Refer to “cooling system inspection” in section 0b .
Radiator inspection
Inspect the radiator for water leaks. If any defects are
found, replace the radiator with a new one.
If the fins are bent or dented, repair them by carefully
straightening them with the blade of ...